Alain Hehn

A 2-oxoglutarate-dependent dioxygenase from Ruta graveolens L. exhibits p-coumaroyl CoA 2'-hydroxylase activity (C2'H): a missing step in the synthesis of umbelliferone in plants.

Masaharu Mizutani, Yukihiro Sugimoto, C. Paris, 2012, The Plant journal : for cell and molecular biology.

The Distribution of Coumarins and Furanocoumarins in Citrus Species Closely Matches Citrus Phylogeny and Reflects the Organization of Biosynthetic Pathways

P. Ollitrault, Y. Froelicher, G. Costantino, 2015, PloS one.